static char *rindex_buffer(lgfs2_rgrps_t rgs, unsigned count)
{
lgfs2_rgrp_t rg;
unsigned i = 0;
char *buf;
buf = calloc(count, sizeof(struct gfs2_rindex));
if (buf == NULL) {
perror(__FUNCTION__);
exit(EXIT_FAILURE);
}
for (rg = lgfs2_rgrp_first(rgs); rg; rg = lgfs2_rgrp_next(rg)) {
const struct gfs2_rindex *ri = lgfs2_rgrp_index(rg);
gfs2_rindex_out(ri, buf + (sizeof(*ri) * i));
i++;
}
return buf;
}
int build_rindex(struct gfs2_sbd *sdp)
{
struct gfs2_inode *ip;
struct osi_node *n, *next = NULL;
struct rgrp_tree *rl;
char buf[sizeof(struct gfs2_rindex)];
int count;
ip = createi(sdp->master_dir, "rindex", S_IFREG | 0600,
GFS2_DIF_SYSTEM | GFS2_DIF_JDATA);
if (ip == NULL) {
return errno;
}
ip->i_di.di_payload_format = GFS2_FORMAT_RI;
bmodified(ip->i_bh);
for (n = osi_first(&sdp->rgtree); n; n = next) {
next = osi_next(n);
rl = (struct rgrp_tree *)n;
gfs2_rindex_out(&rl->ri, buf);
count = gfs2_writei(ip, buf, ip->i_di.di_size,
sizeof(struct gfs2_rindex));
if (count != sizeof(struct gfs2_rindex))
return -1;
}
memset(buf, 0, sizeof(struct gfs2_rindex));
count = __gfs2_writei(ip, buf, ip->i_di.di_size,
sizeof(struct gfs2_rindex), 0);
if (count != sizeof(struct gfs2_rindex))
return -1;
if (cfg_debug) {
printf("\nResource Index:\n");
gfs2_dinode_print(&ip->i_di);
}
inode_put(&ip);
return 0;
}